81210493

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{241}}^1$

素因数の和:314

約数の個数: 36

約数和(自身を含む): 106793148

約数和(自身を除く): 25582655

約数列:

[1, 7, 13, 23, 49, 91, 161, 241, 299, 529, 637, 1127, 1687, 2093, 3133, 3703, 5543, 6877, 11809, 14651, 21931, 25921, 38801, 48139, 72059, 127489, 153517, 271607, 336973, 504413, 892423, 1657357, 3530891, 6246961, 11601499, 81210493]

約数ペア:

[(1, 81210493), (7, 11601499), (13, 6246961), (23, 3530891), (49, 1657357), (91, 892423), (161, 504413), (241, 336973), (299, 271607), (529, 153517), (637, 127489), (1127, 72059), (1687, 48139), (2093, 38801), (3133, 25921), (3703, 21931), (5543, 14651), (6877, 11809)]